/*

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:

*

*/

package com.nokia.microedition.m2g.connection.file;

import javax.microedition.io.file.FileConnection;

import javax.microedition.io.Connector;

import java.io.IOException;

import com.nokia.microedition.m2g.connection.*;

import com.nokia.mj.impl.utils.Logger;

/**

 * File connection proxy class

 */

public class M2GConnectionProxyImpl extends M2GConnectionProxy

{

    //--------------------------------------------------

    // STATIC CONSTANTS

    //--------------------------------------------------

    public static final String READ_PERMISSION =

        "javax.microedition.io.Connector.file.read";

    //--------------------------------------------------

    // METHODS

    //--------------------------------------------------

    /**

     * Ctor.

     */

    public M2GConnectionProxyImpl()

    {

        super();

    }

    /**

     * Open a connection.

     * @see connection.common.M2GConnectionProxy#open()

     */

    public void open(M2GUrlTokenizer aTokenizer) throws IOException

    {

        boolean openingStream = false;

        FileConnection connection = null;

        try

        {

            iBaseUrl = aTokenizer.getBaseUrl();

            // extract the suffix url from the initial url used to open the

            // file, and not the constructed (altered in default mode) url by

            // M2GConnectionPolicyImpl.

            // This suffix is passed to the external resource handler later

            iSuffixUrl = aTokenizer.getParameters();

            if (iSuffixUrl != null)

            {

                iSuffixUrl = M2GUrlTokenizer.PARAMETER_SEPARATOR + iSuffixUrl;

            }

            Logger.LOG(

                Logger.EJavaUI,

                Logger.EInfo,

                "file open(), suffix URI: "

                + (iSuffixUrl != null ? iSuffixUrl.toString() : "null")

                + ", create file connection - 0");

            M2GConnectionPolicyImpl connectionPolicy =

                new M2GConnectionPolicyImpl(aTokenizer);

            String uri = aTokenizer.getUrl();

            Logger.LOG(

                Logger.EJavaUI,

                Logger.EInfo,

                "file open(), URI: " + uri

                + ", create file connection - 2");

            connection = (FileConnection) Connector.open(uri,

                         Connector.READ);

            openingStream = true;

            iInputStream = connection.openInputStream();

            openingStream = false;

            iConnection = connection;

            iConnectionPolicy = connectionPolicy;

        }

        finally

        {

            if ((true == openingStream) && (null != connection))

            {

                connection.close();

            }

        }

    }

}